San Juan Bautista, CA Weather & Growing Conditions
Overnight
54°F
Haze
Haze. Partly cloudy, with a low around 54. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Haze | 0 mph | 0% |
| Tuesday | 82°F | Haze then Sunny | 0 to 14 mph W | 0% |
| Tuesday Night | 54°F | Mostly Clear | 0 to 12 mph SW | 0% |
| Wednesday | 82°F | Sunny | 0 to 13 mph WSW | 0% |
| Wednesday Night | 56°F | Mostly Clear | 0 to 13 mph W | 0% |
| Thursday | 84°F | Sunny | 0 to 14 mph WNW | 0% |
| Thursday Night | 59°F | Mostly Clear | 0 to 14 mph W | 0% |
| Friday | 90°F | Sunny | 0 to 14 mph WNW | 0% |
| Friday Night | 61°F | Mostly Clear | 0 to 14 mph SW | 0% |
| Saturday | 88°F | Sunny | 0 to 13 mph WSW | 0% |
| Saturday Night | 60°F | Mostly Clear | 0 to 13 mph SW | 0% |
| Sunday | 82°F | Sunny | 1 to 15 mph WSW | 0% |
| Sunday Night | 56°F | Mostly Clear | 3 to 15 mph SW | 0% |
| Monday | 76°F | Sunny | 3 to 15 mph WSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for San Juan Bautista, CA
Last spring frost
Feb 19
First fall frost
Dec 1
Growing season
287 days
Hardiness zone
9b
Explore more for San Juan Bautista, CA: full frost dates · planting calendar · California frost dates
Climate data from the nearest NOAA station, Hollister 2, Ca (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.